diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,412 @@
+Checks: '-*,modernize-use-nullptr'
+WarningsAsErrors: ''
+HeaderFilterRegex: 'Evt.*\.hh'
+AnalyzeTemporaryDtors: false
+FormatStyle: file
+CheckOptions:
+ - key: abseil-string-find-startswith.AbseilStringsMatchHeader
+ value: 'absl/strings/match.h'
+ - key: abseil-string-find-startswith.IncludeStyle
+ value: llvm
+ - key: abseil-string-find-startswith.StringLikeClasses
+ value: '::std::basic_string'
+ - key: bugprone-argument-comment.CommentBoolLiterals
+ value: '0'
+ - key: bugprone-argument-comment.CommentCharacterLiterals
+ value: '0'
+ - key: bugprone-argument-comment.CommentFloatLiterals
+ value: '0'
+ - key: bugprone-argument-comment.CommentIntegerLiterals
+ value: '0'
+ - key: bugprone-argument-comment.CommentNullPtrs
+ value: '0'
+ - key: bugprone-argument-comment.CommentStringLiterals
+ value: '0'
+ - key: bugprone-argument-comment.CommentUserDefinedLiterals
+ value: '0'
+ - key: bugprone-argument-comment.IgnoreSingleArgument
+ value: '0'
+ - key: bugprone-argument-comment.StrictMode
+ value: '0'
+ - key: bugprone-assert-side-effect.AssertMacros
+ value: assert
+ - key: bugprone-assert-side-effect.CheckFunctionCalls
+ value: '0'
+ - key: bugprone-dangling-handle.HandleClasses
+ value: 'std::basic_string_view;std::experimental::basic_string_view'
+ - key: bugprone-dynamic-static-initializers.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: bugprone-exception-escape.FunctionsThatShouldNotThrow
+ value: ''
+ - key: bugprone-exception-escape.IgnoredExceptions
+ value: ''
+ - key: bugprone-misplaced-widening-cast.CheckImplicitCasts
+ value: '0'
+ - key: bugprone-not-null-terminated-result.WantToUseSafeFunctions
+ value: '1'
+ - key: bugprone-signed-char-misuse.CharTypdefsToIgnore
+ value: ''
+ - key: bugprone-sizeof-expression.WarnOnSizeOfCompareToConstant
+ value: '1'
+ - key: bugprone-sizeof-expression.WarnOnSizeOfConstant
+ value: '1'
+ - key: bugprone-sizeof-expression.WarnOnSizeOfIntegerExpression
+ value: '0'
+ - key: bugprone-sizeof-expression.WarnOnSizeOfThis
+ value: '1'
+ - key: bugprone-string-constructor.LargeLengthThreshold
+ value: '8388608'
+ - key: bugprone-string-constructor.WarnOnLargeLength
+ value: '1'
+ - key: bugprone-suspicious-enum-usage.StrictMode
+ value: '0'
+ - key: bugprone-suspicious-missing-comma.MaxConcatenatedTokens
+ value: '5'
+ - key: bugprone-suspicious-missing-comma.RatioThreshold
+ value: '0.200000'
+ - key: bugprone-suspicious-missing-comma.SizeThreshold
+ value: '5'
+ - key: bugprone-suspicious-string-compare.StringCompareLikeFunctions
+ value: ''
+ - key: bugprone-suspicious-string-compare.WarnOnImplicitComparison
+ value: '1'
+ - key: bugprone-suspicious-string-compare.WarnOnLogicalNotComparison
+ value: '0'
+ - key: bugprone-too-small-loop-variable.MagnitudeBitsUpperLimit
+ value: '16'
+ - key: bugprone-unhandled-self-assignment.WarnOnlyIfThisHasSuspiciousField
+ value: '1'
+ - key: bugprone-unused-return-value.CheckedFunctions
+ value: '::std::async;::std::launder;::std::remove;::std::remove_if;::std::unique;::std::unique_ptr::release;::std::basic_string::empty;::std::vector::empty'
+ - key: cert-dcl16-c.IgnoreMacros
+ value: '1'
+ - key: cert-dcl16-c.NewSuffixes
+ value: 'L;LL;LU;LLU'
+ - key: cert-dcl59-cpp.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: cert-err09-cpp.CheckThrowTemporaries
+ value: '1'
+ - key: cert-err61-cpp.CheckThrowTemporaries
+ value: '1'
+ - key: cert-msc32-c.DisallowedSeedTypes
+ value: 'time_t,std::time_t'
+ - key: cert-msc51-cpp.DisallowedSeedTypes
+ value: 'time_t,std::time_t'
+ - key: cert-oop11-cpp.IncludeStyle
+ value: llvm
+ - key: cert-oop54-cpp.WarnOnlyIfThisHasSuspiciousField
+ value: '0'
+ - key: cppcoreguidelines-avoid-magic-numbers.IgnoredFloatingPointValues
+ value: '1.0;100.0;'
+ - key: cppcoreguidelines-avoid-magic-numbers.IgnoredIntegerValues
+ value: '1;2;3;4;'
+ - key: cppcoreguidelines-explicit-virtual-functions.AllowOverrideAndFinal
+ value: '0'
+ - key: cppcoreguidelines-explicit-virtual-functions.FinalSpelling
+ value: final
+ - key: cppcoreguidelines-explicit-virtual-functions.IgnoreDestructors
+ value: '1'
+ - key: cppcoreguidelines-explicit-virtual-functions.OverrideSpelling
+ value: override
+ - key: cppcoreguidelines-macro-usage.AllowedRegexp
+ value: '^DEBUG_*'
+ - key: cppcoreguidelines-macro-usage.CheckCapsOnly
+ value: '0'
+ - key: cppcoreguidelines-macro-usage.IgnoreCommandLineMacros
+ value: '1'
+ - key: cppcoreguidelines-no-malloc.Allocations
+ value: '::malloc;::calloc'
+ - key: cppcoreguidelines-no-malloc.Deallocations
+ value: '::free'
+ - key: cppcoreguidelines-no-malloc.Reallocations
+ value: '::realloc'
+ - key: cppcoreguidelines-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
+ value: '1'
+ - key: cppcoreguidelines-owning-memory.LegacyResourceConsumers
+ value: '::free;::realloc;::freopen;::fclose'
+ - key: cppcoreguidelines-owning-memory.LegacyResourceProducers
+ value: '::malloc;::aligned_alloc;::realloc;::calloc;::fopen;::freopen;::tmpfile'
+ - key: cppcoreguidelines-pro-bounds-constant-array-index.GslHeader
+ value: ''
+ - key: cppcoreguidelines-pro-bounds-constant-array-index.IncludeStyle
+ value: '0'
+ - key: cppcoreguidelines-pro-type-member-init.IgnoreArrays
+ value: '0'
+ - key: cppcoreguidelines-pro-type-member-init.UseAssignment
+ value: '0'
+ - key: cppcoreguidelines-special-member-functions.AllowMissingMoveFunctions
+ value: '0'
+ - key: cppcoreguidelines-special-member-functions.AllowSoleDefaultDtor
+ value: '0'
+ - key: fuchsia-header-anon-namespaces.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: fuchsia-restrict-system-includes.Includes
+ value: '*'
+ - key: google-build-namespaces.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: google-global-names-in-headers.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: google-readability-braces-around-statements.ShortStatementLines
+ value: '1'
+ - key: google-readability-function-size.BranchThreshold
+ value: '4294967295'
+ - key: google-readability-function-size.LineThreshold
+ value: '4294967295'
+ - key: google-readability-function-size.NestingThreshold
+ value: '4294967295'
+ - key: google-readability-function-size.ParameterThreshold
+ value: '4294967295'
+ - key: google-readability-function-size.StatementThreshold
+ value: '800'
+ - key: google-readability-function-size.VariableThreshold
+ value: '4294967295'
+ - key: google-readability-namespace-comments.ShortNamespaceLines
+ value: '10'
+ - key: google-readability-namespace-comments.SpacesBeforeComments
+ value: '2'
+ - key: google-runtime-int.SignedTypePrefix
+ value: int
+ - key: google-runtime-int.TypeSuffix
+ value: ''
+ - key: google-runtime-int.UnsignedTypePrefix
+ value: uint
+ - key: google-runtime-references.WhiteListTypes
+ value: ''
+ - key: hicpp-braces-around-statements.ShortStatementLines
+ value: '0'
+ - key: hicpp-function-size.BranchThreshold
+ value: '4294967295'
+ - key: hicpp-function-size.LineThreshold
+ value: '4294967295'
+ - key: hicpp-function-size.NestingThreshold
+ value: '4294967295'
+ - key: hicpp-function-size.ParameterThreshold
+ value: '4294967295'
+ - key: hicpp-function-size.StatementThreshold
+ value: '800'
+ - key: hicpp-function-size.VariableThreshold
+ value: '4294967295'
+ - key: hicpp-member-init.IgnoreArrays
+ value: '0'
+ - key: hicpp-member-init.UseAssignment
+ value: '0'
+ - key: hicpp-move-const-arg.CheckTriviallyCopyableMove
+ value: '1'
+ - key: hicpp-multiway-paths-covered.WarnOnMissingElse
+ value: '0'
+ - key: hicpp-named-parameter.IgnoreFailedSplit
+ value: '0'
+ - key: hicpp-no-malloc.Allocations
+ value: '::malloc;::calloc'
+ - key: hicpp-no-malloc.Deallocations
+ value: '::free'
+ - key: hicpp-no-malloc.Reallocations
+ value: '::realloc'
+ - key: hicpp-signed-bitwise.IgnorePositiveIntegerLiterals
+ value: '0'
+ - key: hicpp-special-member-functions.AllowMissingMoveFunctions
+ value: '0'
+ - key: hicpp-special-member-functions.AllowSoleDefaultDtor
+ value: '0'
+ - key: hicpp-uppercase-literal-suffix.IgnoreMacros
+ value: '1'
+ - key: hicpp-uppercase-literal-suffix.NewSuffixes
+ value: ''
+ - key: hicpp-use-auto.MinTypeNameLength
+ value: '5'
+ - key: hicpp-use-auto.RemoveStars
+ value: '0'
+ - key: hicpp-use-emplace.ContainersWithPushBack
+ value: '::std::vector;::std::list;::std::deque'
+ - key: hicpp-use-emplace.SmartPointers
+ value: '::std::shared_ptr;::std::unique_ptr;::std::auto_ptr;::std::weak_ptr'
+ - key: hicpp-use-emplace.TupleMakeFunctions
+ value: '::std::make_pair;::std::make_tuple'
+ - key: hicpp-use-emplace.TupleTypes
+ value: '::std::pair;::std::tuple'
+ - key: hicpp-use-equals-default.IgnoreMacros
+ value: '1'
+ - key: hicpp-use-equals-delete.IgnoreMacros
+ value: '1'
+ - key: hicpp-use-noexcept.ReplacementString
+ value: ''
+ - key: hicpp-use-noexcept.UseNoexceptFalse
+ value: '1'
+ - key: hicpp-use-nullptr.NullMacros
+ value: ''
+ - key: hicpp-use-override.AllowOverrideAndFinal
+ value: '0'
+ - key: hicpp-use-override.FinalSpelling
+ value: final
+ - key: hicpp-use-override.IgnoreDestructors
+ value: '0'
+ - key: hicpp-use-override.OverrideSpelling
+ value: override
+ - key: llvm-namespace-comment.ShortNamespaceLines
+ value: '1'
+ - key: llvm-namespace-comment.SpacesBeforeComments
+ value: '1'
+ - key: misc-definitions-in-headers.HeaderFileExtensions
+ value: ',h,hh,hpp,hxx'
+ - key: misc-definitions-in-headers.UseHeaderFileExtension
+ value: '1'
+ - key: misc-throw-by-value-catch-by-reference.CheckThrowTemporaries
+ value: '1'
+ - key: misc-unused-parameters.StrictMode
+ value: '0'
+ - key: modernize-loop-convert.MaxCopySize
+ value: '16'
+ - key: modernize-loop-convert.MinConfidence
+ value: reasonable
+ - key: modernize-loop-convert.NamingStyle
+ value: CamelCase
+ - key: modernize-make-shared.IgnoreMacros
+ value: '1'
+ - key: modernize-make-shared.IncludeStyle
+ value: '0'
+ - key: modernize-make-shared.MakeSmartPtrFunction
+ value: 'std::make_shared'
+ - key: modernize-make-shared.MakeSmartPtrFunctionHeader
+ value: memory
+ - key: modernize-make-unique.IgnoreMacros
+ value: '1'
+ - key: modernize-make-unique.IncludeStyle
+ value: '0'
+ - key: modernize-make-unique.MakeSmartPtrFunction
+ value: 'std::make_unique'
+ - key: modernize-make-unique.MakeSmartPtrFunctionHeader
+ value: memory
+ - key: modernize-pass-by-value.IncludeStyle
+ value: llvm
+ - key: modernize-pass-by-value.ValuesOnly
+ value: '0'
+ - key: modernize-raw-string-literal.ReplaceShorterLiterals
+ value: '0'
+ - key: modernize-replace-auto-ptr.IncludeStyle
+ value: llvm
+ - key: modernize-replace-random-shuffle.IncludeStyle
+ value: llvm
+ - key: modernize-use-auto.MinTypeNameLength
+ value: '5'
+ - key: modernize-use-auto.RemoveStars
+ value: '0'
+ - key: modernize-use-default-member-init.IgnoreMacros
+ value: '1'
+ - key: modernize-use-default-member-init.UseAssignment
+ value: '0'
+ - key: modernize-use-emplace.ContainersWithPushBack
+ value: '::std::vector;::std::list;::std::deque'
+ - key: modernize-use-emplace.SmartPointers
+ value: '::std::shared_ptr;::std::unique_ptr;::std::auto_ptr;::std::weak_ptr'
+ - key: modernize-use-emplace.TupleMakeFunctions
+ value: '::std::make_pair;::std::make_tuple'
+ - key: modernize-use-emplace.TupleTypes
+ value: '::std::pair;::std::tuple'
+ - key: modernize-use-equals-default.IgnoreMacros
+ value: '1'
+ - key: modernize-use-equals-delete.IgnoreMacros
+ value: '1'
+ - key: modernize-use-nodiscard.ReplacementString
+ value: '[[nodiscard]]'
+ - key: modernize-use-noexcept.ReplacementString
+ value: ''
+ - key: modernize-use-noexcept.UseNoexceptFalse
+ value: '1'
+ - key: modernize-use-nullptr.NullMacros
+ value: 'NULL'
+ - key: modernize-use-override.AllowOverrideAndFinal
+ value: '0'
+ - key: modernize-use-override.FinalSpelling
+ value: final
+ - key: modernize-use-override.IgnoreDestructors
+ value: '0'
+ - key: modernize-use-override.OverrideSpelling
+ value: override
+ - key: modernize-use-transparent-functors.SafeMode
+ value: '0'
+ - key: modernize-use-using.IgnoreMacros
+ value: '1'
+ - key: objc-forbidden-subclassing.ForbiddenSuperClassNames
+ value: 'ABNewPersonViewController;ABPeoplePickerNavigationController;ABPersonViewController;ABUnknownPersonViewController;NSHashTable;NSMapTable;NSPointerArray;NSPointerFunctions;NSTimer;UIActionSheet;UIAlertView;UIImagePickerController;UITextInputMode;UIWebView'
+ - key: openmp-exception-escape.IgnoredExceptions
+ value: ''
+ - key: performance-faster-string-find.StringLikeClasses
+ value: 'std::basic_string'
+ - key: performance-for-range-copy.AllowedTypes
+ value: ''
+ - key: performance-for-range-copy.WarnOnAllAutoCopies
+ value: '0'
+ - key: performance-inefficient-string-concatenation.StrictMode
+ value: '0'
+ - key: performance-inefficient-vector-operation.EnableProto
+ value: '0'
+ - key: performance-inefficient-vector-operation.VectorLikeClasses
+ value: '::std::vector'
+ - key: performance-move-const-arg.CheckTriviallyCopyableMove
+ value: '1'
+ - key: performance-move-constructor-init.IncludeStyle
+ value: llvm
+ - key: performance-no-automatic-move.AllowedTypes
+ value: ''
+ - key: performance-type-promotion-in-math-fn.IncludeStyle
+ value: llvm
+ - key: performance-unnecessary-copy-initialization.AllowedTypes
+ value: ''
+ - key: performance-unnecessary-value-param.AllowedTypes
+ value: ''
+ - key: performance-unnecessary-value-param.IncludeStyle
+ value: llvm
+ - key: portability-simd-intrinsics.Std
+ value: ''
+ - key: portability-simd-intrinsics.Suggest
+ value: '0'
+ - key: readability-braces-around-statements.ShortStatementLines
+ value: '0'
+ - key: readability-else-after-return.WarnOnUnfixable
+ value: '1'
+ - key: readability-function-size.BranchThreshold
+ value: '4294967295'
+ - key: readability-function-size.LineThreshold
+ value: '4294967295'
+ - key: readability-function-size.NestingThreshold
+ value: '4294967295'
+ - key: readability-function-size.ParameterThreshold
+ value: '4294967295'
+ - key: readability-function-size.StatementThreshold
+ value: '800'
+ - key: readability-function-size.VariableThreshold
+ value: '4294967295'
+ - key: readability-identifier-naming.IgnoreFailedSplit
+ value: '0'
+ - key: readability-implicit-bool-conversion.AllowIntegerConditions
+ value: '0'
+ - key: readability-implicit-bool-conversion.AllowPointerConditions
+ value: '0'
+ - key: readability-inconsistent-declaration-parameter-name.IgnoreMacros
+ value: '1'
+ - key: readability-inconsistent-declaration-parameter-name.Strict
+ value: '0'
+ - key: readability-magic-numbers.IgnoredFloatingPointValues
+ value: '1.0;100.0;'
+ - key: readability-magic-numbers.IgnoredIntegerValues
+ value: '1;2;3;4;'
+ - key: readability-redundant-member-init.IgnoreBaseInCopyConstructors
+ value: '0'
+ - key: readability-redundant-smartptr-get.IgnoreMacros
+ value: '1'
+ - key: readability-redundant-string-init.StringNames
+ value: '::std::basic_string'
+ - key: readability-simplify-boolean-expr.ChainedConditionalAssignment
+ value: '0'
+ - key: readability-simplify-boolean-expr.ChainedConditionalReturn
+ value: '0'
+ - key: readability-simplify-subscript-expr.Types
+ value: '::std::basic_string;::std::basic_string_view;::std::vector;::std::array'
+ - key: readability-static-accessed-through-instance.NameSpecifierNestingThreshold
+ value: '3'
+ - key: readability-uppercase-literal-suffix.IgnoreMacros
+ value: '1'
+ - key: readability-uppercase-literal-suffix.NewSuffixes
+ value: ''
+ - key: zircon-temporary-objects.Names
+ value: ''
diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,6 +76,15 @@
message(STATUS "EvtGen: Optional linking with Tauola++ EVTGEN_TAUOLA ${EVTGEN_TAUOLA}")
include(ExternalDependencies)
+# Setup clang-tidy checks
+option(EVTGEN_RUN_CLANG_TIDY "Enable/disable running clang-tidy static analysis checks during build" OFF)
+option(EVTGEN_CLANG_TIDY_FIX "Enable/disable automatic fixes in clang-tidy checks" OFF)
+set(EVTGEN_CLANG_TIDY_CHECKS "modernize-use-nullptr" CACHE STRING "Specify which clang-tidy checks to run (comma separated)")
+message(STATUS "EvtGen: Optional running of clang-tidy checks EVTGEN_RUN_CLANG_TIDY ${EVTGEN_RUN_CLANG_TIDY}")
+message(STATUS "EvtGen: Optional auto-fixes by clang-tidy checks EVTGEN_CLANG_TIDY_FIX ${EVTGEN_CLANG_TIDY_FIX}")
+message(STATUS "EvtGen: Optional list of clang-tidy checks to run EVTGEN_CLANG_TIDY_CHECKS ${EVTGEN_CLANG_TIDY_CHECKS}")
+include(EvtGenSetupClangTidyChecks)
+
# Now build the library
add_subdirectory(src)
diff --git a/cmake/Modules/EvtGenSetupClangTidyChecks.cmake b/cmake/Modules/EvtGenSetupClangTidyChecks.cmake
new file mode 100644
--- /dev/null
+++ b/cmake/Modules/EvtGenSetupClangTidyChecks.cmake
@@ -0,0 +1,37 @@
+
+########################################################################
+# Copyright 1998-2022 CERN for the benefit of the EvtGen authors #
+# #
+# This file is part of EvtGen. #
+# #
+# EvtGen is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# EvtGen is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with EvtGen. If not, see <https://www.gnu.org/licenses/>. #
+########################################################################
+
+
+if (EVTGEN_RUN_CLANG_TIDY)
+ find_program( CLANG_TIDY_PATH NAMES clang-tidy )
+ if (${CLANG_TIDY_PATH} STREQUAL CLANG_TIDY_PATH-NOTFOUND)
+ message(WARNING "EvtGen: clang-tidy not found, disabling checks during build")
+ unset(CMAKE_CXX_CLANG_TIDY)
+ else()
+ # NB have to have these two separate set commands (rather than doing one before the if and then doing a list append) because of the FORCE
+ if (EVTGEN_CLANG_TIDY_FIX)
+ set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_PATH} --checks=-*,${EVTGEN_CLANG_TIDY_CHECKS} --fix CACHE STRING "Used to set the CXX_CLANG_TIDY property on each target" FORCE)
+ else()
+ set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_PATH} --checks=-*,${EVTGEN_CLANG_TIDY_CHECKS} CACHE STRING "Used to set the CXX_CLANG_TIDY property on each target" FORCE)
+ endif()
+ endif()
+else()
+ unset(CMAKE_CXX_CLANG_TIDY)
+endif()